diff options
author | tmk <nobody@nowhere> | 2011-02-08 16:03:58 +0100 |
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committer | tmk <nobody@nowhere> | 2011-02-21 19:08:59 +0100 |
commit | acc974c64b1e17e6807133fdc50de5bb34aedda5 (patch) | |
tree | 7af7511a56d680a4d93b535c52891a8ffc15dd04 /pjrc/usb_mouse.c | |
parent | 5552b5afeaa9ce7432f9ded3586984253f292d80 (diff) | |
download | qmk_firmware-acc974c64b1e17e6807133fdc50de5bb34aedda5.tar.gz qmk_firmware-acc974c64b1e17e6807133fdc50de5bb34aedda5.tar.xz |
added protocol stack: pjrc, vusb
Diffstat (limited to 'pjrc/usb_mouse.c')
-rw-r--r-- | pjrc/usb_mouse.c | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/pjrc/usb_mouse.c b/pjrc/usb_mouse.c new file mode 100644 index 000000000..319b65a1c --- /dev/null +++ b/pjrc/usb_mouse.c @@ -0,0 +1,58 @@ +#include <avr/interrupt.h> +#include <util/delay.h> +#include "usb_mouse.h" +#include "print.h" +#include "debug.h" + + +uint8_t usb_mouse_protocol=1; + + +int8_t usb_mouse_send(int8_t x, int8_t y, int8_t wheel_v, int8_t wheel_h, uint8_t buttons) +{ + uint8_t intr_state, timeout; + + if (!usb_configured()) return -1; + if (x == -128) x = -127; + if (y == -128) y = -127; + if (wheel_v == -128) wheel_v = -127; + if (wheel_h == -128) wheel_h = -127; + intr_state = SREG; + cli(); + UENUM = MOUSE_ENDPOINT; + timeout = UDFNUML + 50; + while (1) { + // are we ready to transmit? + if (UEINTX & (1<<RWAL)) break; + SREG = intr_state; + // has the USB gone offline? + if (!usb_configured()) return -1; + // have we waited too long? + if (UDFNUML == timeout) return -1; + // get ready to try checking again + intr_state = SREG; + cli(); + UENUM = MOUSE_ENDPOINT; + } + UEDATX = buttons; + UEDATX = x; + UEDATX = y; + if (usb_mouse_protocol) { + UEDATX = wheel_v; + UEDATX = wheel_h; + } + + UEINTX = 0x3A; + SREG = intr_state; + return 0; +} + +void usb_mouse_print(int8_t x, int8_t y, int8_t wheel_v, int8_t wheel_h, uint8_t buttons) { + if (!debug_mouse) return; + print("usb_mouse[btn|x y v h]: "); + phex(buttons); print("|"); + phex(x); print(" "); + phex(y); print(" "); + phex(wheel_v); print(" "); + phex(wheel_h); print("\n"); +} |